Milk may make men less fertile

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Cream, whole milk and other dairy products appear to be bad for men’s
fertility, research suggests.

Men who consumed large amounts of dairy products had sperm of significantly
lower quality, a study found. Scientists say this could be the result of
female hormones passed on from cows or pollutants in the environment.

Harvard researchers asked 189 young men about their diet using a questionnaire
and compared the results to an analysis of samples of their semen.

Only normally-formed sperm can fertilise an egg, but the researchers found
that the proportion of normal sperm fell steadily with a higher consumption
of